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livetrax/gtk2_ardour/verbose_cursor.cc
Robin Gareus 4050ca5633
Update GPL boilerplate and (C)
Copyright-holder and year information is extracted from git log.

git history begins in 2005. So (C) from 1998..2005 is lost. Also some
(C) assignment of commits where the committer didn't use --author.
2019-08-03 15:53:15 +02:00

218 lines
5.4 KiB
C++

/*
* Copyright (C) 2011-2012 Carl Hetherington <carl@carlh.net>
* Copyright (C) 2011-2014 David Robillard <d@drobilla.net>
* Copyright (C) 2011-2017 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2014-2017 Robin Gareus <robin@gareus.org>
* Copyright (C) 2015 Tim Mayberry <mojofunk@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <string>
#include <gtkmm/enums.h>
#include "pbd/stacktrace.h"
#include "ardour/profile.h"
#include "canvas/debug.h"
#include "canvas/scroll_group.h"
#include "canvas/tracking_text.h"
#include "audio_clock.h"
#include "editor.h"
#include "editor_drag.h"
#include "main_clock.h"
#include "verbose_cursor.h"
#include "ardour_ui.h"
#include "ui_config.h"
#include "pbd/i18n.h"
using namespace std;
using namespace ARDOUR;
VerboseCursor::VerboseCursor (Editor* editor)
: _editor (editor)
{
_canvas_item = new ArdourCanvas::TrackingText (_editor->get_noscroll_group());
CANVAS_DEBUG_NAME (_canvas_item, "verbose canvas cursor");
_canvas_item->set_font_description (Pango::FontDescription (UIConfiguration::instance().get_LargerBoldFont()));
color_handler ();
UIConfiguration::instance().ColorsChanged.connect (sigc::mem_fun (*this, &VerboseCursor::color_handler));
}
void
VerboseCursor::color_handler ()
{
_canvas_item->set_color (UIConfiguration::instance().color_mod ("verbose canvas cursor", "verbose canvas cursor"));
}
ArdourCanvas::Item *
VerboseCursor::canvas_item () const
{
return _canvas_item;
}
/** Set the contents of the cursor.
*/
void
VerboseCursor::set (string const & text)
{
_canvas_item->set (text);
}
void
VerboseCursor::show ()
{
_canvas_item->show_and_track (true, true);
_canvas_item->parent()->raise_to_top ();
}
void
VerboseCursor::hide ()
{
_canvas_item->hide ();
_canvas_item->parent()->lower_to_bottom ();
/* reset back to a sensible default for the next time we display the VC */
_canvas_item->set_offset (ArdourCanvas::Duple (10, 10));
}
void
VerboseCursor::set_offset (ArdourCanvas::Duple const & d)
{
_canvas_item->set_offset (d);
}
void
VerboseCursor::set_time (samplepos_t sample)
{
char buf[128];
Timecode::Time timecode;
Timecode::BBT_Time bbt;
if (_editor->_session == 0) {
return;
}
/* Take clock mode from the primary clock */
AudioClock::Mode m = ARDOUR_UI::instance()->primary_clock->mode();
switch (m) {
case AudioClock::BBT:
_editor->_session->bbt_time (sample, bbt);
snprintf (buf, sizeof (buf), "%02" PRIu32 "|%02" PRIu32 "|%02" PRIu32, bbt.bars, bbt.beats, bbt.ticks);
break;
case AudioClock::Timecode:
_editor->_session->timecode_time (sample, timecode);
snprintf (buf, sizeof (buf), "%s", Timecode::timecode_format_time (timecode).c_str());
break;
case AudioClock::MinSec:
AudioClock::print_minsec (sample, buf, sizeof (buf), _editor->_session->sample_rate());
break;
case AudioClock::Seconds:
snprintf (buf, sizeof(buf), "%.1f", sample / (float)_editor->_session->sample_rate());
break;
default:
snprintf (buf, sizeof(buf), "%" PRIi64, sample);
break;
}
_canvas_item->set (buf);
}
void
VerboseCursor::set_duration (samplepos_t start, samplepos_t end)
{
char buf[128];
Timecode::Time timecode;
Timecode::BBT_Time sbbt;
Timecode::BBT_Time ebbt;
Meter meter_at_start (_editor->_session->tempo_map().meter_at_sample (start));
if (_editor->_session == 0) {
return;
}
AudioClock::Mode m = ARDOUR_UI::instance()->primary_clock->mode ();
switch (m) {
case AudioClock::BBT:
{
_editor->_session->bbt_time (start, sbbt);
_editor->_session->bbt_time (end, ebbt);
/* subtract */
/* XXX this computation won't work well if the
user makes a selection that spans any meter changes.
*/
/* use signed integers for the working values so that
we can underflow.
*/
int ticks = ebbt.ticks;
int beats = ebbt.beats;
int bars = ebbt.bars;
ticks -= sbbt.ticks;
if (ticks < 0) {
ticks += int (Timecode::BBT_Time::ticks_per_beat);
--beats;
}
beats -= sbbt.beats;
if (beats < 0) {
beats += int (meter_at_start.divisions_per_bar());
--bars;
}
bars -= sbbt.bars;
snprintf (buf, sizeof (buf), "%02" PRIu32 "|%02" PRIu32 "|%02" PRIu32, bars, beats, ticks);
break;
}
case AudioClock::Timecode:
_editor->_session->timecode_duration (end - start, timecode);
snprintf (buf, sizeof (buf), "%s", Timecode::timecode_format_time (timecode).c_str());
break;
case AudioClock::MinSec:
AudioClock::print_minsec (end - start, buf, sizeof (buf), _editor->_session->sample_rate());
break;
case AudioClock::Seconds:
snprintf (buf, sizeof(buf), "%.1f", (end - start) / (float)_editor->_session->sample_rate());
break;
default:
snprintf (buf, sizeof(buf), "%" PRIi64, end - start);
break;
}
_canvas_item->set (buf);
}
bool
VerboseCursor::visible () const
{
return _canvas_item->visible();
}